Historical ECB rates | Vextorium

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://api.vextorium.com

• POST/v1/real-effective-fx—No price listedReal effective exchange rate index (2010 = 100) from the World Bank: rises mean the currency gets dearer and the country loses competitiveness. Ranking with the latest annual change, or one country's yearly series.
• POST/v1/polymarket-crypto-odds—No price listedImplied probability distribution of a crypto price from Polymarket ladder markets ("Will BTC be above X on date D?"): probability for each price level and date and the implied median. BTC, ETH, SOL, XRP.
• POST/ton-dominio-pago—No price listedResolve a .ton domain (TON DNS) to its wallet address, or find the .ton domain of a TON address.
• POST/construir-transaccion-pago—No price listedBuild an EVM transaction ready to sign (never signed or sent): native transfer, ERC-20 transfer or ERC-20 approve, with to, data, value, nonce, chainId, estimated gas and current EIP-1559 fees, plus a simulation that warns if it would revert and the estimated cost.
• POST/v1/ping—No price listedTest your x402 client or agent for the minimum price: confirms the payment arrived and echoes back the network, scheme, payer and amount the server saw, your IP, user agent, time and any 'eco' text you send.
• POST/proveedor-email-pago—No price listedDetect which email service a domain uses (Google Workspace, Microsoft 365, Zoho, Proton, OVH, IONOS...) from its MX and SPF records, plus corporate spam filters and other senders. For B2B sales and audits.
• POST/v1/vat-calculate—No price listedStandard and reduced VAT rates of any EU member state, and an invoice breakdown (net, VAT, gross) from a net or VAT-inclusive amount, flagging rates that are not in force there.
• POST/eventos-contrato-pago—No price listedLatest events emitted by an EVM contract from the event signature (e.g. Transfer(address indexed from,address indexed to,uint256 value)), decoded with parameter names, block and transaction hash, over the last N blocks.
• POST/hyperliquid-precios-pago—No price listedCurrent mid price of every Hyperliquid asset, or the ones you ask for (BTC, ETH, SOL, HYPE...), in one fast and cheap call.
• POST/v1/latest-block—No price listedLatest block on an EVM chain: number, hash, time, age in seconds, transaction count, gas used % and base fee.
• POST/precio-token-lote-pago—No price listedPrice, liquidity, 24h volume, 1h/24h change and FDV of up to 50 tokens in one call (best-liquidity pair of each), on Solana or EVM chains. Built for bots that poll prices often.
• POST/v1/spain-bank-account-validate—No price listedValidate a Spanish bank account number (20-digit CCC) with both check digits, identify the bank and compute its IBAN; also breaks down a Spanish IBAN. Computed locally; nothing stored.
• POST/v1/eu-electricity-prices—No price listedAverage household electricity price (2,500-5,000 kWh/year band) in EUR/kWh by European country, with or without taxes: ranking or half-yearly evolution of one country. Official Eurostat data.
• POST/v1/ecb-interest-rates—No price listedEuropean Central Bank key rates (deposit facility, main refinancing, marginal lending) with the date they took effect, the history of deposit-rate changes in basis points, and the latest €STR overnight rate. Official ECB data.
• POST/v1/pii-redact—No price listedRedact personal data from text without AI: emails, phone numbers, IBANs, card numbers (Luhn-checked), Spanish DNI/NIE, IPs, crypto addresses and URLs, replaced by labels ([EMAIL_1]) or asterisks. Before sending text to an LLM or sharing logs. Text is not stored.
• POST/v1/hackernews-comments—No price listedAll comments of a Hacker News story (by id or URL) in thread order, with author, text and nesting level.
• POST/v1/dex-protocol-volume—No price listedTrading volume of a specific DEX (Uniswap, Raydium, Aerodrome, PancakeSwap...): 24h, 7d, 30d, 1 year and all time, 24h change, chains and share of total DEX volume. DefiLlama data.
• POST/web-archivada-pago—No price listedCheck whether a page is saved in Internet Archive's Wayback Machine and get the snapshot closest to a date (or the latest), with its link. See how a site looked or recover deleted content.
• POST/erc20-transferencias-pago—No price listedLatest Transfer events of an ERC-20 token, optionally only those in or out of a wallet, over the last N blocks, with decimal-adjusted amounts. Works on Base, Ethereum, Arbitrum, Optimism, Polygon, BNB Chain, Avalanche, Gnosis, Linea, Scroll, Sonic and Unichain.
• POST/evm-utilidades-pago—No price listedEVM developer utilities: keccak256 hash, function selector from a signature, EIP-55 checksum address and wei/gwei/ether conversion.
• POST/v1/central-bank-rates—No price listedPolicy interest rate of about 40 central banks (Fed, ECB, BoE, BoJ, Banxico, BCB...): latest rate and date as a ranking, or one country's monthly history with every hike and cut. Bank for International Settlements data.
• POST/v1/lending-yields—No price listedSupply yield for an asset on the most used lending markets (Aave v3, Morpho, Compound v3, Spark, Euler, Fluid) by chain: total, base and reward APY and TVL, best first.
• POST/v1/perp-funding—No price listedHyperliquid perpetual futures: hourly funding rate and annualized, 24h and 7d average funding, who pays whom, mark and oracle price, premium, open interest, 24h volume and max leverage for one coin; or a ranking of all markets by highest, lowest or most extreme funding, volume or open interest, with a minimum open interest filter.
• POST/v1/isin-validate—No price listedValidate a securities ISIN (ISO 6166): format, check digit, issuing country and embedded CUSIP (US/CA, with its own check) or SEDOL (GB/IE). Computed locally; nothing stored.
• POST/v1/pdf-search—No price listedSearch a text inside a PDF (URL) and return every match with its page and surrounding snippet, case-insensitive. Find clauses, figures or names in long documents.

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